fixed bug with termio/termios

examples/cmdlnopts.c

@@ -29,15 +29,15 @@
 /*
  * here are global parameters initialisation
  */
-int help;
-glob_pars  G;
+static int help;
+static glob_pars  G;
 
 // default PID filename:
 #define DEFAULT_PIDFILE "/tmp/testcmdlnopts.pid"
 
 //            DEFAULTS
 // default global parameters
-glob_pars const Gdefault = {
+static glob_pars const Gdefault = {
     .device = NULL,
     .pidfile = DEFAULT_PIDFILE,
     .speed = 9600,
@@ -48,13 +48,14 @@ glob_pars const Gdefault = {
  * Define command line options by filling structure:
  *  name        has_arg     flag    val     type        argptr              help
 */
-myoption cmdlnopts[] = {
+static myoption cmdlnopts[] = {
 // common options
     {"help",    NO_ARGS,    NULL,   'h',    arg_int,    APTR(&help),        _("show this help")},
     {"device",  NEED_ARG,   NULL,   'd',    arg_string, APTR(&G.device),    _("serial device name")},
     {"speed",   NEED_ARG,   NULL,   's',    arg_int,    APTR(&G.speed),     _("serial device speed (default: 9600)")},
     {"logfile", NEED_ARG,   NULL,   'l',    arg_string, APTR(&G.logfile),   _("file to save logs")},
     {"pidfile", NEED_ARG,   NULL,   'P',    arg_string, APTR(&G.pidfile),   _("pidfile (default: " DEFAULT_PIDFILE ")")},
+    {"exclusive",NO_ARGS,   NULL,   'e',    arg_int,    APTR(&G.exclusive), _("open serial device exclusively")},
    end_option
 };
 

examples/cmdlnopts.h

@@ -20,8 +20,8 @@
  */
 
 #pragma once
-#ifndef __CMDLNOPTS_H__
-#define __CMDLNOPTS_H__
+#ifndef CMDLNOPTS_H__
+#define CMDLNOPTS_H__
 
 /*
  * here are some typedef's for global data
@@ -32,9 +32,11 @@ typedef struct{
     char *logfile;          // logging to this file
     int speed;              // connection speed
     int rest_pars_num;      // number of rest parameters
+    int exclusive;          // exclusive open port
     char** rest_pars;       // the rest parameters: array of char*
 } glob_pars;
 
 
 glob_pars *parse_args(int argc, char **argv);
-#endif // __CMDLNOPTS_H__
+
+#endif // CMDLNOPTS_H__

examples/fifo.c

@@ -18,6 +18,10 @@
 #include <usefull_macros.h>
 #include <stdio.h>
 
+/*
+ * Example of FIFO/LIFO usage
+ */
+
 int main(int argc, char *argv[argc]) {
     List *f = NULL;
     printf("Available memory: %luMB\n", get_available_mem()/1024/1024);

examples/options.c

@@ -16,13 +16,27 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "cmdlnopts.h"
 #include <signal.h>         // signal
-#include <stdlib.h>         // exit, free
 #include <stdio.h>          // printf
+#include <stdlib.h>         // exit, free
 #include <string.h>         // strdup
 #include <unistd.h>         // sleep
 #include <usefull_macros.h>
-#include "cmdlnopts.h"
+
+
+#include <termios.h>		// tcsetattr
+#include <unistd.h>			// tcsetattr, close, read, write
+#include <sys/ioctl.h>		// ioctl
+#include <stdio.h>			// printf, getchar, fopen, perror
+#include <stdlib.h>			// exit
+#include <sys/stat.h>		// read
+#include <fcntl.h>			// read
+#include <signal.h>			// signal
+#include <time.h>			// time
+#include <string.h>			// memcpy
+#include <stdint.h>			// int types
+#include <sys/time.h>		// gettimeofday
 
 /**
  * This is an example of usage:
@@ -34,8 +48,8 @@
  * The `cmdlnopts.[hc]` are intrinsic files of this demo.
  */
 
-TTY_descr *dev = NULL; // shoul be global to restore if die
-glob_pars *GP = NULL;  // for GP->pidfile need in `signals`
+static TTY_descr *dev = NULL; // shoul be global to restore if die
+static glob_pars *GP = NULL;  // for GP->pidfile need in `signals`
 
 /**
  * We REDEFINE the default WEAK function of signal processing
@@ -82,23 +96,31 @@ int main(int argc, char *argv[]){
     }
     if(GP->device){
         putlog("Try to open serial %s", GP->device);
-        dev = tty_open(GP->device, GP->speed, 256);
+        dev = new_tty(GP->device, GP->speed, 256);
+        if(dev) dev = tty_open(dev, GP->exclusive);
         if(!dev){
             putlog("Can't open %s with speed %d. Exit.", GP->device, GP->speed);
             signals(0);
         }
     }
+
     // main stuff goes here
     long seed = throw_random_seed();
     green("Now I will sleep for 10 seconds. Do whatever you want. Random seed: %ld\n", seed);
     double t0 = dtime();
+    char b[2] = {0};
     while(dtime() - t0 < 10.){ // read data from port and print in into terminal
         if(dev){
             if(read_tty(dev)){
-                printf("Data from port: %s\n", dev->buf);
+                printf("Got %zd bytes from port: %s\n", dev->buflen, dev->buf);
+                t0 = dtime();
             }
-            char ch = read_console();
-            if(ch) write_tty(dev->comfd, &ch, 1);
+            int r = read_console();
+            if(r < 1) continue;
+            t0 = dtime();
+            b[0] = (char) r;
+            printf("send to tty: %d (%c)\n", r, b[0]);
+            write_tty(dev->comfd, b, 1);
         }
     }
     // clean everything